statement of responsibility: Arranged and compiled under the supervision of the Hon. Benj. Butterworth, commissioner of patents ... Reproduced and printed in pursuance of act of Congress March 3, 1886, and acts supplementary thereto.
Publisher Washington, Govt. print. off.
Possible copyright status Not in copyright
Call number 39088001594522
Digitizing sponsor Smithsonian Libraries
Book contributor Smithsonian Libraries
Full catalog record MARCXML
200 pages of illustrations, with descriptive letterpress, representing primitive methods and modern patents.
200 pages of illustrations, with descriptive letterpress, representing primitive methods and modern patents
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